.snowflake {
  position: absolute;
  display: block;
  position: absolute;
  -webkit-border-radius: 50%;
  -moz-border-radius: 50%;
  border-radius: 50%;
  -webkit-transform: translateZ(0);
  -moz-transform: translateZ(0);
  -ms-transform: translateZ(0);
  -o-transform: translateZ(0);
  transform: translateZ(0);
  -webkit-user-select: none;
  -moz-user-select: none;
  user-select: none;
  background-image: -webkit-radial-gradient(
    center,
    circle farthest-corner,
    rgba(255, 255, 255, 1) 40%,
    rgba(255, 255, 255, 0) 100%
  );
  background-image: -moz-radial-gradient(
    center,
    circle farthest-corner,
    rgba(255, 255, 255, 1) 40%,
    rgba(255, 255, 255, 0) 100%
  );
  background-image: -ms-radial-gradient(
    center,
    circle farthest-corner,
    rgba(255, 255, 255, 1) 40%,
    rgba(255, 255, 255, 0) 100%
  );
  background-image: radial-gradient(
    center,
    circle farthest-corner,
    rgba(255, 255, 255, 1) 40%,
    rgba(255, 255, 255, 0) 100%
  );
}

#snow {
  position: fixed;
  width: 100%;
  height: 100%;
}
